Dr. Christopher M. Sinclair is a neurologist in Port Jefferson, New York and is affiliated with multiple hospitals in the area, including St. Charles Hospital and Mather Hospital at Northwell Health. He received his medical degree from Saint Louis University School of Medicine and has been in practice for more than 20 years. Dr. Christopher M. Sinclair has expertise in treating dementia, Alzheimer's dementia, spinal stenosis and spondylosis, among other conditions - see all areas of expertise. Dr. Christopher M. Sinclair accepts Medicare, Aetna, Blue Cross, United Healthcare - see other insurance plans accepted.